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Selected:Card SortingSolution InterviewARID (Active Reviews for Intermediate Designs)Problem Interview
| Criterion |  UX Research Card Sorting |  Product Discovery Solution Interview |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Problem Interview |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 20-45 min | 30-60 min je Interview | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min je Interview |
Participantsdifferent | Based on research question | 5-10 Interviews | Designers, developers as users, and facilitation | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Solution Feedback, Objection List, Validation Notes | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | Information architectureNavigationStructure | ValidationInterviewsPrototype | ArchitectureEngineeringFeedbackValidationTasks | DiscoveryInterviewsValidation |